One vertex per element, one color per generator, with an edge from x to x·s.
(1,2,4,3)(5,6,9,12)(7,10,13,17)(8,15,16,11)(14,20,19,18)(21,22)(23,24)(25,29)(26,36)(27,30)(28,34)(31,32)(33,35)(2,3)(7,13)(8,16)(10,17)(11,15)(21,23,27,33)(22,24,30,35)(25,32,28,26)(29,31,34,36)(5,7,9,13)(6,10,12,17)(8,14,16,19)(11,18,15,20)(21,24,32,29,27,35,26,34)(22,28,36,33,30,25,31,23)(1,3,4,2)(7,13)(10,17)(14,19)(18,20)(21,25)(22,29)(23,32)(24,31)(26,33)(27,28)(30,34)(35,36)(5,8,9,16)(6,11,12,15)(7,14,13,19)(10,18,17,20)(22,30)(23,33)(25,28)(31,36)A Cayley diagram is a choice, not a fact about the group. Another drawing of this group — in a book, or on a different generating set — may look nothing like this one.